tag:blogger.com,1999:blog-6762481015010870446.post4905661415611427161..comments2019-05-25T11:29:47.558-04:00Comments on Astronomy and Space News - Astro Watch: Stephen Hawking and Yuri Milner Launch $100 Million Interstellar Travel ProjectTomasz Nowakowskihttp://www.blogger.com/profile/09182020841759675549noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6762481015010870446.post-17059518874406561692016-04-13T19:32:50.523-04:002016-04-13T19:32:50.523-04:00Must be nice to have that kind of money to essenti...Must be nice to have that kind of money to essentially waste. Someone might want to work on an affordable replacement for the energy which we now obtain from the 3 fossil fuels. Between them, they supply roughly 85% of all energy we use to do work. They will be gone, long before lasers are pushing anything out of this solar system. And lasers powerful enough to push a spacecraft will need a LOT of energy to operate them.<br />Communicating between stars will require a lot of patience, since it would take 8 years to talk to a friend on the nearest one. Billhttps://www.blogger.com/profile/04934818963211338139noreply@blogger.com